Home / 771,380.46-1,156,637.37-528,495.66

Finding the Fourth Proportional to 771,380.46, 1,156,637.37 and 528,495.66

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Solution

The fourth proportional to 771,380.46, 1,156,637.37 and 528,495.66 is: 792,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,380.46 : 1,156,637.37 = 528,495.66 : x
  2. Step 2: Convert to fraction form
    771,380.46/1,156,637.37 = 528,495.66/x
  3. Step 3: Cross multiply
    771,380.46x = 1,156,637.37 × 528,495.66
  4. Step 4: Simplify right side
    771,380.46x = 611,277,830,238.81
  5. Step 5: Solve for x
    x = 611,277,830,238.81/771,380.46
  6. Step 6: Final answer
    x = 792,446.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.